[deliverable/linux.git] / arch / arm / mach-omap2 / board-overo.c

/*
 * board-overo.c (Gumstix Overo)
 *
 * Initial code: Steve Sakoman <steve@sakoman.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/spi/spi.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mmc/host.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>

#include <plat/board.h>
#include "common.h"
#include <video/omapdss.h>
#include <video/omap-panel-generic-dpi.h>
#include <video/omap-panel-dvi.h>
#include <plat/gpmc.h>
#include <mach/hardware.h>
#include <plat/nand.h>
#include <plat/mcspi.h>
#include <plat/mux.h>
#include <plat/usb.h>

#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
#include "common-board-devices.h"

#define OVERO_GPIO_BT_XGATE	15
#define OVERO_GPIO_W2W_NRESET	16
#define OVERO_GPIO_PENDOWN	114
#define OVERO_GPIO_BT_NRESET	164
#define OVERO_GPIO_USBH_CPEN	168
#define OVERO_GPIO_USBH_NRESET	183

#define OVERO_SMSC911X_CS      5
#define OVERO_SMSC911X_GPIO    176
#define OVERO_SMSC911X2_CS     4
#define OVERO_SMSC911X2_GPIO   65

#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)

/* fixed regulator for ads7846 */
static struct regulator_consumer_supply ads7846_supply[] = {
	REGULATOR_SUPPLY("vcc", "spi1.0"),
};

static struct regulator_init_data vads7846_regulator = {
	.constraints = {
		.valid_ops_mask		= REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(ads7846_supply),
	.consumer_supplies	= ads7846_supply,
};

static struct fixed_voltage_config vads7846 = {
	.supply_name		= "vads7846",
	.microvolts		= 3300000, /* 3.3V */
	.gpio			= -EINVAL,
	.startup_delay		= 0,
	.init_data		= &vads7846_regulator,
};

static struct platform_device vads7846_device = {
	.name		= "reg-fixed-voltage",
	.id		= 1,
	.dev = {
		.platform_data = &vads7846,
	},
};

static void __init overo_ads7846_init(void)
{
	omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
	platform_device_register(&vads7846_device);
}

#else
static inline void __init overo_ads7846_init(void) { return; }
#endif

#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)

#include <linux/smsc911x.h>
#include <plat/gpmc-smsc911x.h>

static struct omap_smsc911x_platform_data smsc911x_cfg = {
	.id		= 0,
	.cs             = OVERO_SMSC911X_CS,
	.gpio_irq       = OVERO_SMSC911X_GPIO,
	.gpio_reset     = -EINVAL,
	.flags		= SMSC911X_USE_32BIT,
};

static struct omap_smsc911x_platform_data smsc911x2_cfg = {
	.id		= 1,
	.cs             = OVERO_SMSC911X2_CS,
	.gpio_irq       = OVERO_SMSC911X2_GPIO,
	.gpio_reset     = -EINVAL,
	.flags		= SMSC911X_USE_32BIT,
};

static void __init overo_init_smsc911x(void)
{
	gpmc_smsc911x_init(&smsc911x_cfg);
	gpmc_smsc911x_init(&smsc911x2_cfg);
}

#else
static inline void __init overo_init_smsc911x(void) { return; }
#endif

/* DSS */
static int lcd_enabled;
static int dvi_enabled;

#define OVERO_GPIO_LCD_EN 144
#define OVERO_GPIO_LCD_BL 145

static struct gpio overo_dss_gpios[] __initdata = {
	{ OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
	{ OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
};

static void __init overo_display_init(void)
{
	if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
		printk(KERN_ERR "could not obtain DSS control GPIOs\n");
		return;
	}

	gpio_export(OVERO_GPIO_LCD_EN, 0);
	gpio_export(OVERO_GPIO_LCD_BL, 0);
}

static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
{
	if (lcd_enabled) {
		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
		return -EINVAL;
	}
	dvi_enabled = 1;

	return 0;
}

static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
{
	dvi_enabled = 0;
}

static struct panel_dvi_platform_data dvi_panel = {
	.platform_enable	= overo_panel_enable_dvi,
	.platform_disable	= overo_panel_disable_dvi,
	.i2c_bus_num		= 3,
};

static struct omap_dss_device overo_dvi_device = {
	.name			= "dvi",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.driver_name		= "dvi",
	.data			= &dvi_panel,
	.phy.dpi.data_lines	= 24,
};

static struct omap_dss_device overo_tv_device = {
	.name = "tv",
	.driver_name = "venc",
	.type = OMAP_DISPLAY_TYPE_VENC,
	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};

static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
{
	if (dvi_enabled) {
		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
		return -EINVAL;
	}

	gpio_set_value(OVERO_GPIO_LCD_EN, 1);
	gpio_set_value(OVERO_GPIO_LCD_BL, 1);
	lcd_enabled = 1;
	return 0;
}

static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
{
	gpio_set_value(OVERO_GPIO_LCD_EN, 0);
	gpio_set_value(OVERO_GPIO_LCD_BL, 0);
	lcd_enabled = 0;
}

static struct panel_generic_dpi_data lcd43_panel = {
	.name			= "samsung_lte430wq_f0c",
	.platform_enable	= overo_panel_enable_lcd,
	.platform_disable	= overo_panel_disable_lcd,
};

static struct omap_dss_device overo_lcd43_device = {
	.name			= "lcd43",
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.driver_name		= "generic_dpi_panel",
	.data			= &lcd43_panel,
	.phy.dpi.data_lines	= 24,
};

#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
static struct omap_dss_device overo_lcd35_device = {
	.type			= OMAP_DISPLAY_TYPE_DPI,
	.name			= "lcd35",
	.driver_name		= "lgphilips_lb035q02_panel",
	.phy.dpi.data_lines	= 24,
	.platform_enable	= overo_panel_enable_lcd,
	.platform_disable	= overo_panel_disable_lcd,
};
#endif

static struct omap_dss_device *overo_dss_devices[] = {
	&overo_dvi_device,
	&overo_tv_device,
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
	&overo_lcd35_device,
#endif
	&overo_lcd43_device,
};

static struct omap_dss_board_info overo_dss_data = {
	.num_devices	= ARRAY_SIZE(overo_dss_devices),
	.devices	= overo_dss_devices,
	.default_device	= &overo_dvi_device,
};

static struct mtd_partition overo_nand_partitions[] = {
	{
		.name           = "xloader",
		.offset         = 0,			/* Offset = 0x00000 */
		.size           = 4 * NAND_BLOCK_SIZE,
		.mask_flags     = MTD_WRITEABLE
	},
	{
		.name           = "uboot",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
		.size           = 14 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "uboot environment",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x240000 */
		.size           = 2 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "linux",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
		.size           = 32 * NAND_BLOCK_SIZE,
	},
	{
		.name           = "rootfs",
		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
		.size           = MTDPART_SIZ_FULL,
	},
};

static struct omap2_hsmmc_info mmc[] = {
	{
		.mmc		= 1,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
	},
	{
		.mmc		= 2,
		.caps		= MMC_CAP_4_BIT_DATA,
		.gpio_cd	= -EINVAL,
		.gpio_wp	= -EINVAL,
		.transceiver	= true,
		.ocr_mask	= 0x00100000,	/* 3.3V */
	},
	{}	/* Terminator */
};

static struct regulator_consumer_supply overo_vmmc1_supply[] = {
	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};

#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>

static struct gpio_led gpio_leds[] = {
	{
		.name			= "overo:red:gpio21",
		.default_trigger	= "heartbeat",
		.gpio			= 21,
		.active_low		= true,
	},
	{
		.name			= "overo:blue:gpio22",
		.default_trigger	= "none",
		.gpio			= 22,
		.active_low		= true,
	},
	{
		.name			= "overo:blue:COM",
		.default_trigger	= "mmc0",
		.gpio			= -EINVAL,	/* gets replaced */
		.active_low		= true,
	},
};

static struct gpio_led_platform_data gpio_leds_pdata = {
	.leds		= gpio_leds,
	.num_leds	= ARRAY_SIZE(gpio_leds),
};

static struct platform_device gpio_leds_device = {
	.name	= "leds-gpio",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_leds_pdata,
	},
};

static void __init overo_init_led(void)
{
	platform_device_register(&gpio_leds_device);
}

#else
static inline void __init overo_init_led(void) { return; }
#endif

#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#include <linux/input.h>
#include <linux/gpio_keys.h>

static struct gpio_keys_button gpio_buttons[] = {
	{
		.code			= BTN_0,
		.gpio			= 23,
		.desc			= "button0",
		.wakeup			= 1,
	},
	{
		.code			= BTN_1,
		.gpio			= 14,
		.desc			= "button1",
		.wakeup			= 1,
	},
};

static struct gpio_keys_platform_data gpio_keys_pdata = {
	.buttons	= gpio_buttons,
	.nbuttons	= ARRAY_SIZE(gpio_buttons),
};

static struct platform_device gpio_keys_device = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data	= &gpio_keys_pdata,
	},
};

static void __init overo_init_keys(void)
{
	platform_device_register(&gpio_keys_device);
}

#else
static inline void __init overo_init_keys(void) { return; }
#endif

static int overo_twl_gpio_setup(struct device *dev,
		unsigned gpio, unsigned ngpio)
{
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
#endif

	return 0;
}

static struct twl4030_gpio_platform_data overo_gpio_data = {
	.gpio_base	= OMAP_MAX_GPIO_LINES,
	.irq_base	= TWL4030_GPIO_IRQ_BASE,
	.irq_end	= TWL4030_GPIO_IRQ_END,
	.use_leds	= true,
	.setup		= overo_twl_gpio_setup,
};

static struct regulator_init_data overo_vmmc1 = {
	.constraints = {
		.min_uV			= 1850000,
		.max_uV			= 3150000,
		.valid_modes_mask	= REGULATOR_MODE_NORMAL
					| REGULATOR_MODE_STANDBY,
		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
					| REGULATOR_CHANGE_MODE
					| REGULATOR_CHANGE_STATUS,
	},
	.num_consumer_supplies	= ARRAY_SIZE(overo_vmmc1_supply),
	.consumer_supplies	= overo_vmmc1_supply,
};

static struct twl4030_platform_data overo_twldata = {
	.gpio		= &overo_gpio_data,
	.vmmc1		= &overo_vmmc1,
};

static int __init overo_i2c_init(void)
{
	omap3_pmic_get_config(&overo_twldata,
			TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
			TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);

	overo_twldata.vpll2->constraints.name = "VDVI";

	omap3_pmic_init("tps65950", &overo_twldata);
	/* i2c2 pins are used for gpio */
	omap_register_i2c_bus(3, 400, NULL, 0);
	return 0;
}

static struct spi_board_info overo_spi_board_info[] __initdata = {
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
	{
		.modalias		= "lgphilips_lb035q02_panel-spi",
		.bus_num		= 1,
		.chip_select		= 1,
		.max_speed_hz		= 500000,
		.mode			= SPI_MODE_3,
	},
#endif
};

static int __init overo_spi_init(void)
{
	overo_ads7846_init();
	spi_register_board_info(overo_spi_board_info,
			ARRAY_SIZE(overo_spi_board_info));
	return 0;
}

static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
	.phy_reset  = true,
	.reset_gpio_port[0]  = -EINVAL,
	.reset_gpio_port[1]  = OVERO_GPIO_USBH_NRESET,
	.reset_gpio_port[2]  = -EINVAL
};

#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif

static struct gpio overo_bt_gpios[] __initdata = {
	{ OVERO_GPIO_BT_XGATE,	GPIOF_OUT_INIT_LOW,	"lcd enable"    },
	{ OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH,	"lcd bl enable" },
};

static void __init overo_init(void)
{
	int ret;

	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	omap_hsmmc_init(mmc);
	overo_i2c_init();
	omap_display_init(&overo_dss_data);
	omap_serial_init();
	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
				  mt46h32m32lf6_sdrc_params);
	omap_nand_flash_init(0, overo_nand_partitions,
			     ARRAY_SIZE(overo_nand_partitions));
	usb_musb_init(NULL);
	usbhs_init(&usbhs_bdata);
	overo_spi_init();
	overo_init_smsc911x();
	overo_display_init();
	overo_init_led();
	overo_init_keys();

	/* Ensure SDRC pins are mux'd for self-refresh */
	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);

	ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
			       "OVERO_GPIO_W2W_NRESET");
	if (ret == 0) {
		gpio_export(OVERO_GPIO_W2W_NRESET, 0);
		gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
		udelay(10);
		gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	} else {
		printk(KERN_ERR "could not obtain gpio for "
					"OVERO_GPIO_W2W_NRESET\n");
	}

	ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
	if (ret) {
		pr_err("%s: could not obtain BT gpios\n", __func__);
	} else {
		gpio_export(OVERO_GPIO_BT_XGATE, 0);
		gpio_export(OVERO_GPIO_BT_NRESET, 0);
		gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
		mdelay(6);
		gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
	}

	ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
			       "OVERO_GPIO_USBH_CPEN");
	if (ret == 0)
		gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	else
		printk(KERN_ERR "could not obtain gpio for "
					"OVERO_GPIO_USBH_CPEN\n");
}

MACHINE_START(OVERO, "Gumstix Overo")
	.atag_offset	= 0x100,
	.reserve	= omap_reserve,
	.map_io		= omap3_map_io,
	.init_early	= omap35xx_init_early,
	.init_irq	= omap3_init_irq,
	.handle_irq	= omap3_intc_handle_irq,
	.init_machine	= overo_init,
	.timer		= &omap3_timer,
	.restart	= omap_prcm_restart,
MACHINE_END
Commit	Line	Data
eba2645a SS	1	/*
	2	* board-overo.c (Gumstix Overo)
	3	*
	4	* Initial code: Steve Sakoman <steve@sakoman.com>
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* version 2 as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
	18	* 02110-1301 USA
	19	*
	20	*/
	21
	22	#include <linux/clk.h>
	23	#include <linux/delay.h>
	24	#include <linux/err.h>
	25	#include <linux/init.h>
	26	#include <linux/io.h>
f9fa1bb9	27	#include <linux/gpio.h>
eba2645a SS	28	#include <linux/kernel.h>
eba2645a SS	29	#include <linux/platform_device.h>
b07682b6	30	#include <linux/i2c/twl.h>
bb3b9d8e	31	#include <linux/regulator/machine.h>
ca0a6a64	32	#include <linux/regulator/fixed.h>
7b12d7b6	33	#include <linux/spi/spi.h>
eba2645a SS	34
	35	#include <linux/mtd/mtd.h>
	36	#include <linux/mtd/nand.h>
	37	#include <linux/mtd/partitions.h>
3a63833e	38	#include <linux/mmc/host.h>
eba2645a SS	39
	40	#include <asm/mach-types.h>
	41	#include <asm/mach/arch.h>
	42	#include <asm/mach/flash.h>
	43	#include <asm/mach/map.h>
	44
ce491cf8	45	#include <plat/board.h>
4e65331c	46	#include "common.h"
a0b38cc4	47	#include <video/omapdss.h>
f8ae2f08	48	#include <video/omap-panel-generic-dpi.h>
1d7a8654	49	#include <video/omap-panel-dvi.h>
ce491cf8	50	#include <plat/gpmc.h>
eba2645a	51	#include <mach/hardware.h>
ce491cf8	52	#include <plat/nand.h>
7b12d7b6 SS	53	#include <plat/mcspi.h>
7b12d7b6 SS	54	#include <plat/mux.h>
ce491cf8	55	#include <plat/usb.h>
eba2645a	56
ca5742bd	57	#include "mux.h"
2e12bd7e	58	#include "sdram-micron-mt46h32m32lf-6.h"
d02a900b	59	#include "hsmmc.h"
96974a24	60	#include "common-board-devices.h"
90c62bf0	61
0d4d9ab0 TL	62	#define OVERO_GPIO_BT_XGATE 15
0d4d9ab0 TL	63	#define OVERO_GPIO_W2W_NRESET 16
6fd210a9	64	#define OVERO_GPIO_PENDOWN 114
0d4d9ab0 TL	65	#define OVERO_GPIO_BT_NRESET 164
	66	#define OVERO_GPIO_USBH_CPEN 168
	67	#define OVERO_GPIO_USBH_NRESET 183
	68
172ef275 SS	69	#define OVERO_SMSC911X_CS 5
172ef275 SS	70	#define OVERO_SMSC911X_GPIO 176
5c9a29ed SS	71	#define OVERO_SMSC911X2_CS 4
5c9a29ed SS	72	#define OVERO_SMSC911X2_GPIO 65
172ef275	73
c6a81316 SS	74	#if defined(CONFIG_TOUCHSCREEN_ADS7846) \|\| \
	75	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
	76
ca0a6a64	77	/* fixed regulator for ads7846 */
786b01a8 OD	78	static struct regulator_consumer_supply ads7846_supply[] = {
	79	REGULATOR_SUPPLY("vcc", "spi1.0"),
	80	};
ca0a6a64 SS	81
	82	static struct regulator_init_data vads7846_regulator = {
	83	.constraints = {
	84	.valid_ops_mask = REGULATOR_CHANGE_STATUS,
	85	},
786b01a8 OD	86	.num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
786b01a8 OD	87	.consumer_supplies = ads7846_supply,
ca0a6a64 SS	88	};
	89
	90	static struct fixed_voltage_config vads7846 = {
	91	.supply_name = "vads7846",
	92	.microvolts = 3300000, /* 3.3V */
	93	.gpio = -EINVAL,
	94	.startup_delay = 0,
	95	.init_data = &vads7846_regulator,
	96	};
	97
	98	static struct platform_device vads7846_device = {
	99	.name = "reg-fixed-voltage",
	100	.id = 1,
	101	.dev = {
	102	.platform_data = &vads7846,
	103	},
c6a81316 SS	104	};
	105
	106	static void __init overo_ads7846_init(void)
	107	{
96974a24	108	omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
ca0a6a64	109	platform_device_register(&vads7846_device);
c6a81316 SS	110	}
	111
	112	#else
	113	static inline void __init overo_ads7846_init(void) { return; }
	114	#endif
	115
172ef275 SS	116	#if defined(CONFIG_SMSC911X) \|\| defined(CONFIG_SMSC911X_MODULE)
	117
	118	#include <linux/smsc911x.h>
21b42731	119	#include <plat/gpmc-smsc911x.h>
172ef275	120
21b42731	121	static struct omap_smsc911x_platform_data smsc911x_cfg = {
5c9a29ed	122	.id = 0,
21b42731 MR	123	.cs = OVERO_SMSC911X_CS,
	124	.gpio_irq = OVERO_SMSC911X_GPIO,
	125	.gpio_reset = -EINVAL,
	126	.flags = SMSC911X_USE_32BIT,
172ef275 SS	127	};
172ef275 SS	128
21b42731	129	static struct omap_smsc911x_platform_data smsc911x2_cfg = {
a5ba7ae2	130	.id = 1,
21b42731 MR	131	.cs = OVERO_SMSC911X2_CS,
	132	.gpio_irq = OVERO_SMSC911X2_GPIO,
	133	.gpio_reset = -EINVAL,
	134	.flags = SMSC911X_USE_32BIT,
a5ba7ae2 SS	135	};
a5ba7ae2 SS	136
21b42731	137	static void __init overo_init_smsc911x(void)
172ef275	138	{
21b42731 MR	139	gpmc_smsc911x_init(&smsc911x_cfg);
21b42731 MR	140	gpmc_smsc911x_init(&smsc911x2_cfg);
172ef275 SS	141	}
	142
	143	#else
	144	static inline void __init overo_init_smsc911x(void) { return; }
	145	#endif
	146
7b12d7b6 SS	147	/* DSS */
	148	static int lcd_enabled;
	149	static int dvi_enabled;
	150
	151	#define OVERO_GPIO_LCD_EN 144
	152	#define OVERO_GPIO_LCD_BL 145
	153
bc593f5d IG	154	static struct gpio overo_dss_gpios[] __initdata = {
	155	{ OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" },
	156	{ OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" },
	157	};
	158
7b12d7b6 SS	159	static void __init overo_display_init(void)
7b12d7b6 SS	160	{
bc593f5d IG	161	if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) {
	162	printk(KERN_ERR "could not obtain DSS control GPIOs\n");
	163	return;
	164	}
7b12d7b6	165
bc593f5d IG	166	gpio_export(OVERO_GPIO_LCD_EN, 0);
bc593f5d IG	167	gpio_export(OVERO_GPIO_LCD_BL, 0);
7b12d7b6 SS	168	}
	169
	170	static int overo_panel_enable_dvi(struct omap_dss_device *dssdev)
	171	{
	172	if (lcd_enabled) {
	173	printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
	174	return -EINVAL;
	175	}
	176	dvi_enabled = 1;
	177
	178	return 0;
	179	}
	180
	181	static void overo_panel_disable_dvi(struct omap_dss_device *dssdev)
	182	{
	183	dvi_enabled = 0;
	184	}
	185
1d7a8654	186	static struct panel_dvi_platform_data dvi_panel = {
7b12d7b6 SS	187	.platform_enable = overo_panel_enable_dvi,
7b12d7b6 SS	188	.platform_disable = overo_panel_disable_dvi,
fcca7194	189	.i2c_bus_num = 3,
7b12d7b6 SS	190	};
	191
	192	static struct omap_dss_device overo_dvi_device = {
	193	.name = "dvi",
	194	.type = OMAP_DISPLAY_TYPE_DPI,
1d7a8654	195	.driver_name = "dvi",
7b12d7b6 SS	196	.data = &dvi_panel,
	197	.phy.dpi.data_lines = 24,
	198	};
	199
	200	static struct omap_dss_device overo_tv_device = {
	201	.name = "tv",
	202	.driver_name = "venc",
	203	.type = OMAP_DISPLAY_TYPE_VENC,
	204	.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
	205	};
	206
	207	static int overo_panel_enable_lcd(struct omap_dss_device *dssdev)
	208	{
	209	if (dvi_enabled) {
	210	printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
	211	return -EINVAL;
	212	}
	213
	214	gpio_set_value(OVERO_GPIO_LCD_EN, 1);
	215	gpio_set_value(OVERO_GPIO_LCD_BL, 1);
	216	lcd_enabled = 1;
	217	return 0;
	218	}
	219
	220	static void overo_panel_disable_lcd(struct omap_dss_device *dssdev)
	221	{
	222	gpio_set_value(OVERO_GPIO_LCD_EN, 0);
	223	gpio_set_value(OVERO_GPIO_LCD_BL, 0);
	224	lcd_enabled = 0;
	225	}
	226
	227	static struct panel_generic_dpi_data lcd43_panel = {
	228	.name = "samsung_lte430wq_f0c",
	229	.platform_enable = overo_panel_enable_lcd,
	230	.platform_disable = overo_panel_disable_lcd,
	231	};
	232
	233	static struct omap_dss_device overo_lcd43_device = {
	234	.name = "lcd43",
	235	.type = OMAP_DISPLAY_TYPE_DPI,
	236	.driver_name = "generic_dpi_panel",
	237	.data = &lcd43_panel,
	238	.phy.dpi.data_lines = 24,
	239	};
	240
	241	#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) \|\| \
	242	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
	243	static struct omap_dss_device overo_lcd35_device = {
	244	.type = OMAP_DISPLAY_TYPE_DPI,
	245	.name = "lcd35",
	246	.driver_name = "lgphilips_lb035q02_panel",
	247	.phy.dpi.data_lines = 24,
	248	.platform_enable = overo_panel_enable_lcd,
	249	.platform_disable = overo_panel_disable_lcd,
	250	};
	251	#endif
	252
	253	static struct omap_dss_device *overo_dss_devices[] = {
	254	&overo_dvi_device,
	255	&overo_tv_device,
	256	#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) \|\| \
	257	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
	258	&overo_lcd35_device,
	259	#endif
260	&overo_lcd43_device,
261	};
262
263	static struct omap_dss_board_info overo_dss_data = {
264	.num_devices = ARRAY_SIZE(overo_dss_devices),
265	.devices = overo_dss_devices,
266	.default_device = &overo_dvi_device,
267	};
268
eba2645a SS	269	static struct mtd_partition overo_nand_partitions[] = {
	270	{
	271	.name = "xloader",
	272	.offset = 0, /* Offset = 0x00000 */
	273	.size = 4 * NAND_BLOCK_SIZE,
	274	.mask_flags = MTD_WRITEABLE
	275	},
	276	{
	277	.name = "uboot",
	278	.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
	279	.size = 14 * NAND_BLOCK_SIZE,
	280	},
	281	{
	282	.name = "uboot environment",
	283	.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
	284	.size = 2 * NAND_BLOCK_SIZE,
	285	},
	286	{
	287	.name = "linux",
	288	.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
	289	.size = 32 * NAND_BLOCK_SIZE,
	290	},
	291	{
	292	.name = "rootfs",
	293	.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
	294	.size = MTDPART_SIZ_FULL,
	295	},
	296	};
	297
68ff0423	298	static struct omap2_hsmmc_info mmc[] = {
bb3b9d8e DB	299	{
bb3b9d8e DB	300	.mmc = 1,
3a63833e	301	.caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e DB	302	.gpio_cd = -EINVAL,
	303	.gpio_wp = -EINVAL,
	304	},
	305	{
	306	.mmc = 2,
3a63833e	307	.caps = MMC_CAP_4_BIT_DATA,
bb3b9d8e DB	308	.gpio_cd = -EINVAL,
	309	.gpio_wp = -EINVAL,
	310	.transceiver = true,
	311	.ocr_mask = 0x00100000, /* 3.3V */
	312	},
	313	{} /* Terminator */
	314	};
	315
786b01a8 OD	316	static struct regulator_consumer_supply overo_vmmc1_supply[] = {
786b01a8 OD	317	REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
bb3b9d8e DB	318	};
bb3b9d8e DB	319
7c94f68d SS	320	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	321	#include <linux/leds.h>
	322
	323	static struct gpio_led gpio_leds[] = {
	324	{
	325	.name = "overo:red:gpio21",
	326	.default_trigger = "heartbeat",
	327	.gpio = 21,
	328	.active_low = true,
	329	},
	330	{
	331	.name = "overo:blue:gpio22",
	332	.default_trigger = "none",
	333	.gpio = 22,
	334	.active_low = true,
	335	},
	336	{
	337	.name = "overo:blue:COM",
	338	.default_trigger = "mmc0",
	339	.gpio = -EINVAL, /* gets replaced */
	340	.active_low = true,
	341	},
	342	};
	343
	344	static struct gpio_led_platform_data gpio_leds_pdata = {
	345	.leds = gpio_leds,
	346	.num_leds = ARRAY_SIZE(gpio_leds),
	347	};
	348
	349	static struct platform_device gpio_leds_device = {
	350	.name = "leds-gpio",
	351	.id = -1,
	352	.dev = {
	353	.platform_data = &gpio_leds_pdata,
	354	},
	355	};
	356
	357	static void __init overo_init_led(void)
	358	{
	359	platform_device_register(&gpio_leds_device);
	360	}
	361
	362	#else
	363	static inline void __init overo_init_led(void) { return; }
	364	#endif
	365
cce18a94 SS	366	#if defined(CONFIG_KEYBOARD_GPIO) \|\| defined(CONFIG_KEYBOARD_GPIO_MODULE)
	367	#include <linux/input.h>
	368	#include <linux/gpio_keys.h>
	369
	370	static struct gpio_keys_button gpio_buttons[] = {
	371	{
	372	.code = BTN_0,
	373	.gpio = 23,
	374	.desc = "button0",
	375	.wakeup = 1,
	376	},
	377	{
	378	.code = BTN_1,
	379	.gpio = 14,
	380	.desc = "button1",
	381	.wakeup = 1,
	382	},
	383	};
	384
	385	static struct gpio_keys_platform_data gpio_keys_pdata = {
	386	.buttons = gpio_buttons,
	387	.nbuttons = ARRAY_SIZE(gpio_buttons),
	388	};
	389
	390	static struct platform_device gpio_keys_device = {
	391	.name = "gpio-keys",
	392	.id = -1,
	393	.dev = {
	394	.platform_data = &gpio_keys_pdata,
	395	},
	396	};
	397
	398	static void __init overo_init_keys(void)
	399	{
	400	platform_device_register(&gpio_keys_device);
	401	}
	402
	403	#else
	404	static inline void __init overo_init_keys(void) { return; }
	405	#endif
	406
bb3b9d8e DB	407	static int overo_twl_gpio_setup(struct device *dev,
	408	unsigned gpio, unsigned ngpio)
	409	{
7c94f68d SS	410	#if defined(CONFIG_LEDS_GPIO) \|\| defined(CONFIG_LEDS_GPIO_MODULE)
	411	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
	412	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
	413	#endif
	414
bb3b9d8e DB	415	return 0;
	416	}
	417
90c62bf0 TL	418	static struct twl4030_gpio_platform_data overo_gpio_data = {
	419	.gpio_base = OMAP_MAX_GPIO_LINES,
	420	.irq_base = TWL4030_GPIO_IRQ_BASE,
	421	.irq_end = TWL4030_GPIO_IRQ_END,
7c94f68d	422	.use_leds = true,
bb3b9d8e DB	423	.setup = overo_twl_gpio_setup,
	424	};
	425
bb3b9d8e DB	426	static struct regulator_init_data overo_vmmc1 = {
	427	.constraints = {
	428	.min_uV = 1850000,
	429	.max_uV = 3150000,
	430	.valid_modes_mask = REGULATOR_MODE_NORMAL
	431	\| REGULATOR_MODE_STANDBY,
	432	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
	433	\| REGULATOR_CHANGE_MODE
	434	\| REGULATOR_CHANGE_STATUS,
	435	},
786b01a8 OD	436	.num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
786b01a8 OD	437	.consumer_supplies = overo_vmmc1_supply,
90c62bf0 TL	438	};
	439
	440	static struct twl4030_platform_data overo_twldata = {
90c62bf0	441	.gpio = &overo_gpio_data,
bb3b9d8e	442	.vmmc1 = &overo_vmmc1,
90c62bf0 TL	443	};
90c62bf0 TL	444
eba2645a SS	445	static int __init overo_i2c_init(void)
eba2645a SS	446	{
827ed9ae	447	omap3_pmic_get_config(&overo_twldata,
b252b0ef PU	448	TWL_COMMON_PDATA_USB \| TWL_COMMON_PDATA_AUDIO,
	449	TWL_COMMON_REGULATOR_VDAC \| TWL_COMMON_REGULATOR_VPLL2);
	450
	451	overo_twldata.vpll2->constraints.name = "VDVI";
	452
fbd8071c	453	omap3_pmic_init("tps65950", &overo_twldata);
eba2645a SS	454	/* i2c2 pins are used for gpio */
	455	omap_register_i2c_bus(3, 400, NULL, 0);
	456	return 0;
	457	}
	458
7b12d7b6	459	static struct spi_board_info overo_spi_board_info[] __initdata = {
7b12d7b6 SS	460	#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) \|\| \
	461	defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
	462	{
	463	.modalias = "lgphilips_lb035q02_panel-spi",
	464	.bus_num = 1,
	465	.chip_select = 1,
	466	.max_speed_hz = 500000,
	467	.mode = SPI_MODE_3,
	468	},
	469	#endif
eba2645a SS	470	};
eba2645a SS	471
7b12d7b6 SS	472	static int __init overo_spi_init(void)
	473	{
	474	overo_ads7846_init();
	475	spi_register_board_info(overo_spi_board_info,
	476	ARRAY_SIZE(overo_spi_board_info));
	477	return 0;
	478	}
eba2645a	479
181b250c KM	480	static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
	481	.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
	482	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
	483	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
58a5491c FB	484	.phy_reset = true,
	485	.reset_gpio_port[0] = -EINVAL,
	486	.reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET,
	487	.reset_gpio_port[2] = -EINVAL
	488	};
	489
ca5742bd TL	490	#ifdef CONFIG_OMAP_MUX
	491	static struct omap_board_mux board_mux[] __initdata = {
	492	{ .reg_offset = OMAP_MUX_TERMINATOR },
	493	};
ca5742bd	494	#endif
58a5491c	495
bc593f5d IG	496	static struct gpio overo_bt_gpios[] __initdata = {
	497	{ OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
	498	{ OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
884b8369 MM	499	};
884b8369 MM	500
eba2645a SS	501	static void __init overo_init(void)
eba2645a SS	502	{
bc593f5d IG	503	int ret;
bc593f5d IG	504
ca5742bd	505	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
3b972bf0	506	omap_hsmmc_init(mmc);
eba2645a	507	overo_i2c_init();
7b12d7b6	508	omap_display_init(&overo_dss_data);
eba2645a	509	omap_serial_init();
a4ca9dbe TL	510	omap_sdrc_init(mt46h32m32lf6_sdrc_params,
a4ca9dbe TL	511	mt46h32m32lf6_sdrc_params);
9a3f39ff MR	512	omap_nand_flash_init(0, overo_nand_partitions,
9a3f39ff MR	513	ARRAY_SIZE(overo_nand_partitions));
9e18630b	514	usb_musb_init(NULL);
9e64bb1e	515	usbhs_init(&usbhs_bdata);
7b12d7b6	516	overo_spi_init();
172ef275	517	overo_init_smsc911x();
7b12d7b6	518	overo_display_init();
7c94f68d	519	overo_init_led();
cce18a94	520	overo_init_keys();
eba2645a	521
9fb97412	522	/* Ensure SDRC pins are mux'd for self-refresh */
4896e394 TL	523	omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
4896e394 TL	524	omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
9fb97412	525
bc593f5d IG	526	ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
	527	"OVERO_GPIO_W2W_NRESET");
	528	if (ret == 0) {
eba2645a SS	529	gpio_export(OVERO_GPIO_W2W_NRESET, 0);
	530	gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
	531	udelay(10);
	532	gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
	533	} else {
	534	printk(KERN_ERR "could not obtain gpio for "
	535	"OVERO_GPIO_W2W_NRESET\n");
	536	}
	537
bc593f5d IG	538	ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
	539	if (ret) {
	540	pr_err("%s: could not obtain BT gpios\n", __func__);
	541	} else {
eba2645a	542	gpio_export(OVERO_GPIO_BT_XGATE, 0);
eba2645a SS	543	gpio_export(OVERO_GPIO_BT_NRESET, 0);
	544	gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
	545	mdelay(6);
	546	gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
eba2645a SS	547	}
eba2645a SS	548
bc593f5d IG	549	ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
	550	"OVERO_GPIO_USBH_CPEN");
	551	if (ret == 0)
eba2645a SS	552	gpio_export(OVERO_GPIO_USBH_CPEN, 0);
	553	else
	554	printk(KERN_ERR "could not obtain gpio for "
	555	"OVERO_GPIO_USBH_CPEN\n");
eba2645a SS	556	}
eba2645a SS	557
eba2645a	558	MACHINE_START(OVERO, "Gumstix Overo")
5e52b435	559	.atag_offset = 0x100,
71ee7dad	560	.reserve = omap_reserve,
3dc3bad6	561	.map_io = omap3_map_io,
8f5b5a41	562	.init_early = omap35xx_init_early,
741e3a89	563	.init_irq = omap3_init_irq,
6b2f55d7	564	.handle_irq = omap3_intc_handle_irq,
eba2645a	565	.init_machine = overo_init,
e74984e4	566	.timer = &omap3_timer,
baa95883	567	.restart = omap_prcm_restart,
eba2645a	568	MACHINE_END